Oral sleep appliance and spacer



FIG. 1 is a front view of an oral sleep appliance and spacer showing our new design;

FIG. 2 is a rear view of an oral sleep appliance and spacer thereof;

FIG. 3 is a left side view of an oral sleep appliance and spacer thereof;

FIG. 4 is a right side view of an oral sleep appliance and spacer thereof;

FIG. 5 is a top view of an oral sleep appliance and spacer thereof;

FIG. 6 is a bottom view of an oral sleep appliance and spacer thereof;

FIG. 7 is a bottom view of upper component of an oral sleep appliance and spacer thereof; and,

FIG. 8 is an exploded bottom front perspective view of an oral sleep appliance and spacer thereof.

The dashed broken lines in the figures show portions of the oral sleep appliance and spacer that form no part of the claimed design. 

CLAIM The ornamental design for an oral sleep appliance and spacer, as shown and described. 